How often should I clean and re-oil my K&N air filter?

The cleaning intervals depend on your driving conditions. In normal street use, cleaning every 50,000 miles is usually sufficient. If you drive in dusty conditions, you will need to clean it more often.

What is the height of this filter?

This K&N E-9289 air filter is 7.688 inches tall. The top outside diameter is 5.938 inches.

What kind of oil should I use to re-oil my K&N air filter?

K&N sells recharge kits that include both the cleaner and the oil, and these are designed specifically for their filters. Using another type of oil could damage the filter media or reduce its filtration efficiency.

K&N Replacement Air Filter - Round Tapered - Universal 5.75in Base OD x 5.938in Top OD x 7.688in H

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Specifications

Brand: K&N
Part #: E-9289
UPC: 024844178732

K&N Replacement Air Filter - Round Tapered - Universal 5.75in Base OD x 5.938in Top OD x 7.688in H

Name: K&N Replacement Air Filter - Round Tapered - Universal 5.75in Base OD x 5.938in Top OD x 7.688in H
Brand: K&N
Price: 104.99 USD
Availability: InStock

$104.99

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Washable, reusable air filter. Designed to increase horsepower and protect your engine.

Key Features

Washable filter media — can be washed and reused repeatedly
Designed to reduce restriction — increases horsepower
Excellent filtration — protects your engine
Comes with a K&N embossed lid cap

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits these vehicles

Ford Focus 2013-2017
Ford Transit Connect 2014-2015

Product Details

The K&N E-9289 Air Filter is designed to increase horsepower and protect your engine by reducing restriction and providing excellent filtration. The E-9289 custom air filter is manufactured to replace the air filter in the 57S-4000 performance air box and it comes with a K&N embossed lid cap. The filter media can be washed and reused repeatedly.